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♦ 1Yokota, L., Goitein, R., Gianeti, M. D. and Lessa, R. T. P. (2013), "Diet and feeding strategy of smooth butterfly ray Gymnura micrura in northeastern Brazil". Journal of Applied Ichthyology.
♦ 2Feeding of the Brazilian sharpnose shark Rhizoprionodon lalandii (Müller & Henle, 1839) from southern Brazil, By H. Bornatowski, M. R. Heithaus, V. Abilhoa and M. F. M. Corrêa, J. Appl. Ichthyol. (2012), 1–5
♦ 3Insights on small cetacean feeding habits in southeastern Brazil, Marcos César de Oliveira Santos, Sergio Rosso, Roberta Aguiar dos Santos, Silvia Helena
Bulizani Lucato, and Manuela Bassoi, Aquatic Mammals 2002, 28.1, 38-45
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.